获得一个类的方法

1 import lombok.Data;
2
3 /**
4 * Created by hunt on 2017/6/27.
5 * 测试的实体类
6 * &＃64;Data 编译后会自动生成set、get、无惨构造、equals、canEqual、hashCode、toString方法
7 */
8 &＃64;Data
9 public class Person {
10 private String name;
11 public String nickName;
12 private int age;
13 private void say(){
14 System.out.println("say hunt");
15 }
16 }

1 import java.lang.reflect.Method;
2
3 /**
4 * Created by hunt on 2017/6/27.
5 */
6 public class NewInstanceTest {
7 public static void main(String[] args) {
8 Class personClass &＃61; Person.class;
9 try {
10 Method[] methods &＃61; personClass.getMethods();
11 for (Method m:methods) {
12 System.out.println(m);
13 }
14 } catch (Exception e) {
15 e.printStackTrace();
16 }
17 }
18 }

1 import java.lang.reflect.Method;
2
3 /**
4 * Created by hunt on 2017/6/27.
5 */
6 public class NewInstanceTest {
7 public static void main(String[] args) {
8 Class personClass &＃61; Person.class;
9 try {
10 Method[] methods &＃61; personClass.getDeclaredMethods();
11 for (Method m:methods) {
12 System.out.println(m);
13 }
14 } catch (Exception e) {
15 e.printStackTrace();
16 }
17 }
18 }

1 import java.lang.reflect.Method;
2
3 /**
4 * Created by hunt on 2017/6/27.
5 */
6 public class NewInstanceTest {
7 public static void main(String[] args) {
8 Class personClass &＃61; Person.class;
9 try {
10 Person p &＃61; personClass.newInstance();
11 Method method &＃61; personClass.getMethod("setName", String.class);
12 method.invoke(p,"hunt");
13 System.out.println(p);
14 method &＃61; personClass.getMethod("getName");
15 System.out.println("getName方法"&＃43;method.invoke(p));
16 method &＃61; personClass.getDeclaredMethod("say");
17 method.setAccessible(true);//私有方法要授权
18 method.invoke(p);
19 } catch (Exception e) {
20 e.printStackTrace();
21 }
22 }
23 }